443030042 has 32 divisors (see below), whose sum is σ = 846115200. Its totient is φ = 169219008.

The previous prime is 443030033. The next prime is 443030101. The reversal of 443030042 is 240030344.

It is a happy number.

It is a super-2 number, since 2×443030042² = 392551236229043528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 443029996 and 443030023.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36692 + ... + 47247.

It is an arithmetic number, because the mean of its divisors is an integer number (26441100).

Almost surely, 2^443030042 is an apocalyptic number.

443030042 is a deficient number, since it is larger than the sum of its proper divisors (403085158).

443030042 is a wasteful number, since it uses less digits than its factorization.

443030042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83990.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 443030042 is about 21048.2788369976. The cubic root of 443030042 is about 762.3324247709.

Adding to 443030042 its reverse (240030344), we get a palindrome (683060386).

The spelling of 443030042 in words is "four hundred forty-three million, thirty thousand, forty-two".